CVE-2025-39858CWE-476

CVE-2025-39858

Medium · published September 19, 2025

CVSS v3.1
5.5
EPSS
0%
Percentile
2.4
In the wild
Unconfirmed
What it is

In the Linux kernel, the following vulnerability has been resolved:

eth: mlx4: Fix IS_ERR() vs NULL check bug in mlx4_en_create_rx_ring

Replace NULL check with IS_ERR() check after calling page_pool_create()

since this function returns error pointers (ERR_PTR).

Using NULL check could lead to invalid pointer dereference.

The record
Technical detail
CVSS v3.1
5.5 · MEDIUM
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00130 · 2.4th percentile
Weakness
CWE-476 · NULL Pointer Dereference
Published
2025-09-19T20:15Z
Affected products (5)
ProductVersionsFixed in
linux/linux_kernel≥ 6.15, < 6.16.66.16.6
linux/linux_kernelall versions—
linux/linux_kernelall versions—
linux/linux_kernelall versions—
linux/linux_kernelall versions—
References (2)
https://git.kernel.org/stable/c/7b77d8841a98a9f45c8a615222c698df8dec581c · 416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/e580beaf43d563aaf457f1c7f934002355ebfe7b · 416baaa9-dc9f-4396-8d5f-8c081fb06d67
EPSS history
Timeline
  • 19 SEP 15:26Z
    eth: mlx4: Fix IS_ERR() vs NULL check bug in mlx4_en_create_rx_ring
    cvelistv5